2956020691 has 4 divisors (see below), whose sum is σ = 3183406912. Its totient is φ = 2728634472.

The previous prime is 2956020677. The next prime is 2956020731. The reversal of 2956020691 is 1960206592.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2956020691 - 2⁵ = 2956020659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2956020671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113693091 + ... + 113693116.

It is an arithmetic number, because the mean of its divisors is an integer number (795851728).

Almost surely, 2^2956020691 is an apocalyptic number.

2956020691 is a deficient number, since it is larger than the sum of its proper divisors (227386221).

2956020691 is a wasteful number, since it uses less digits than its factorization.

2956020691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227386220.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 2956020691 is about 54369.2991586244. The cubic root of 2956020691 is about 1435.1671657533.

The spelling of 2956020691 in words is "two billion, nine hundred fifty-six million, twenty thousand, six hundred ninety-one".